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Date: Fri, 30 Nov 2007 15:40:23 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: msar2020@gmail.com (Michael Robb)
Cc: dsterba@suse.cz, jeff@garzik.org, akpm@linux-foundation.org,
       benm@symmetric.co.nz, jkosina@suse.cz, jslaby@suse.cz,
       linux-kernel@vger.kernel.org, linux-pcmcia@lists.infradead.org,
       stephen@symmetric.co.nz
Subject: Re: [PATCH] ipwireless_cs driver for 4G PC Card
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On Fri, 30 Nov 2007 15:20:19 +0000 (GMT)
msar2020@gmail.com (Michael Robb) wrote:

> >If the -main- purpose of the hardware is wireless, it should go in via
> >John Linville, wireless maintainer...
> 
> These GPRS cards are basically wireless modems which accept a Hayes command
> set (AT+????, etc...), can send and receive SMS messages, as well as 
> support WAP and PPP internet surfing.
> 
> Hayes commands allow for measuring local signal strength (AT+CSQ), reading
> and writing SMS messages (AT+CMGF, AT+CMGW, AT+CNMI) etc...
> 
> So, it is somewhere between a serial driver and a wireless driver.

At the moment they seem to be ending up under serial, so I would prefer
consistency between the USB tty interfaces for 3G cards, the stuff like
Nozomi and any newer goodies. The new tty layer buffering is quite happy
at these speeds.